Offering enormous capacity & high-speed file transfers, the Lexar 256GB 3500x Professional CFast 2.0 Card boasts a maximum read transfer speed of 525MB/s. Whether you want to shoot high-quality 4K video capture & or large RAW files, you'll find the Lexar 256GB 3500x card to be an ideal workflow companion. Also comes with downloadable Image Rescue software for additional peace of mind.